Optical detector



FIG. 1 is a perspective view of an optical detector showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a perspective view of a second embodiment thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a right side elevational view thereof;

FIG. 9 is a perspective view of a third embodiment thereof;

FIG. 10 is a top plan view thereof;

FIG. 11 is a bottom plan view thereof;

FIG. 12 is a right side elevational view thereof;

FIG. 13 is a perspective view of a fourth embodiment thereof;

FIG. 14 is a top plan view thereof;

FIG. 15 is a bottom plan view thereof;

FIG. 16 is a right side elevational view thereof.

The undisclosed sides of the optical detector are the same in appearance as the side shown. 

The ornamental design for an optical detector, as shown and described. 